Petty Officer 3rd Class Daniel Whelan, a machinery technician assigned to Coast Guard Cutter Osprey, an 87-foot patrol boat homeported in Port Townsend, Wash., raises a Bravo flag aboard the cutter, Aug. 28, 2014. The Bravo flag is used to signal fueling operations aboard a vessel and remind crewmembers that smoking and open flames are not permitted while fuel or hazardous materials are being onloaded or offloaded. (U.S. Coast Guard photo by Petty Officer 3rd Class Katelyn Shearer)